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<a href="ross-random_8c.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="ross_8h.html">ross.h</a>&gt;</span></div>
<div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;</div>
<div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment">/*</span></div>
<div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment"> * tw_rand_init</span></div>
<div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<a class="code" href="structtw__rng.html">tw_rng</a>  *</div>
<div class="line"><a name="l00007"></a><span class="lineno"><a class="line" href="ross-random_8h.html#a5600e4cb011d29cc24a2408220d58909">    7</a></span>&#160;<a class="code" href="ross-random_8c.html#a5600e4cb011d29cc24a2408220d58909">tw_rand_init</a>(uint32_t v, uint32_t w)</div>
<div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;{</div>
<div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;        <span class="keywordflow">return</span> <a class="code" href="rand-clcg4_8c.html#a3c5ea1f9125b9534b62a80dbfa20dafb">rng_init</a>(v, w);</div>
<div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;}</div>
<div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;</div>
<div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="comment">/*</span></div>
<div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="comment"> * tw_rand_integer</span></div>
<div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="comment"> * For LP # gen, return a uniform rn from low to high </span></div>
<div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;<span class="comment"> */</span><span class="comment"></span></div>
<div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;<span class="comment">/**</span></div>
<div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;<span class="comment"> * NOTE: Don&#39;t pass negative values to low!</span></div>
<div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;<span class="keywordtype">long</span> </div>
<div class="line"><a name="l00021"></a><span class="lineno"><a class="line" href="ross-random_8h.html#a56ae5b708a840eb42ad336f8852b6d5e">   21</a></span>&#160;<a class="code" href="ross-random_8c.html#a56ae5b708a840eb42ad336f8852b6d5e">tw_rand_integer</a>(<a class="code" href="structtw__rng__stream.html">tw_rng_stream</a> * g, <span class="keywordtype">long</span> low, <span class="keywordtype">long</span> high)</div>
<div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;{</div>
<div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;        <span class="keywordtype">long</span> safe_high = high;</div>
<div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;</div>
<div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;        <span class="keywordflow">if</span> (safe_high != LONG_MAX) {</div>
<div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;                safe_high += 1;</div>
<div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;        }</div>
<div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;</div>
<div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;        <span class="keywordflow">if</span> (safe_high &lt;= low) {</div>
<div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;                <span class="keywordflow">return</span> (0);</div>
<div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;        } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;                <span class="keywordflow">return</span> (low + (<span class="keywordtype">long</span>)(<a class="code" href="ross-random_8h.html#a39fc493bbf61e55264a6daa82e8109ab">tw_rand_unif</a>(g) * (safe_high - low)));</div>
<div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;        }</div>
<div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;}</div>
<div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;</div>
<div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span></div>
<div class="line"><a name="l00037"></a><span class="lineno"><a class="line" href="ross-random_8h.html#a58c39b87e177cf5f8e8312e02f21782e">   37</a></span>&#160;<a class="code" href="ross-random_8c.html#a58c39b87e177cf5f8e8312e02f21782e">tw_rand_ulong</a>(<a class="code" href="structtw__rng__stream.html">tw_rng_stream</a> * g, <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> low, <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> high)</div>
<div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;{</div>
<div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;        <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> safe_high = high;</div>
<div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;</div>
<div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;        <span class="keywordflow">if</span> (safe_high != ULONG_MAX) {</div>
<div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;                safe_high += 1;</div>
<div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;        }</div>
<div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;</div>
<div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;    <span class="keywordflow">if</span> (safe_high &lt; low) {</div>
<div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;        <span class="keywordflow">return</span> (0);</div>
<div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;    } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;        <span class="keywordflow">return</span> (low + (<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span>)(<a class="code" href="ross-random_8h.html#a39fc493bbf61e55264a6daa82e8109ab">tw_rand_unif</a>(g) * (safe_high - low)));</div>
<div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;    }</div>
<div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;}</div>
<div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;</div>
<div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;<span class="keywordtype">long</span> </div>
<div class="line"><a name="l00053"></a><span class="lineno"><a class="line" href="ross-random_8h.html#a599b01ae062d3a8517c803e3349cf771">   53</a></span>&#160;<a class="code" href="ross-random_8c.html#a599b01ae062d3a8517c803e3349cf771">tw_rand_binomial</a>(<a class="code" href="structtw__rng__stream.html">tw_rng_stream</a> * g, <span class="keywordtype">long</span> N, <span class="keywordtype">double</span> P)</div>
<div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;{</div>
<div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;        <span class="keywordtype">long</span>            sucesses, trials;</div>
<div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;</div>
<div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;        sucesses = 0;</div>
<div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;</div>
<div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;        <span class="keywordflow">for</span> (trials = 0; trials &lt; N; trials++)</div>
<div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;        {</div>
<div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;                <span class="keywordflow">if</span> (<a class="code" href="ross-random_8h.html#a39fc493bbf61e55264a6daa82e8109ab">tw_rand_unif</a>(g) &lt;= P)</div>
<div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;                        sucesses++;</div>
<div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;        }</div>
<div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;</div>
<div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;        <span class="keywordflow">return</span> (sucesses);</div>
<div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;}</div>
<div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;</div>
<div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;<span class="keywordtype">double</span> </div>
<div class="line"><a name="l00069"></a><span class="lineno"><a class="line" href="ross-random_8h.html#ac042351acc76e850fd420dd41f0d58eb">   69</a></span>&#160;<a class="code" href="ross-random_8c.html#ac042351acc76e850fd420dd41f0d58eb">tw_rand_exponential</a>(<a class="code" href="structtw__rng__stream.html">tw_rng_stream</a> * g, <span class="keywordtype">double</span> Lambda)</div>
<div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;{</div>
<div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;        <span class="keywordflow">return</span> (-Lambda * log(<a class="code" href="ross-random_8h.html#a39fc493bbf61e55264a6daa82e8109ab">tw_rand_unif</a>(g)));</div>
<div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;}</div>
<div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;</div>
<div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;<span class="keywordtype">double</span> </div>
<div class="line"><a name="l00075"></a><span class="lineno"><a class="line" href="ross-random_8h.html#a8dd208314b255494335ed16c324c29cf">   75</a></span>&#160;<a class="code" href="ross-random_8c.html#af8f6e0d9b88b26966e5819a53d18877c">tw_rand_pareto</a>(<a class="code" href="structtw__rng__stream.html">tw_rng_stream</a> * g, <span class="keywordtype">double</span> shape, <span class="keywordtype">double</span> scale)</div>
<div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;{</div>
<div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;  <span class="keywordflow">return</span>( scale * 1.0/pow(<a class="code" href="ross-random_8h.html#a39fc493bbf61e55264a6daa82e8109ab">tw_rand_unif</a>(g), 1/shape) );</div>
<div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;}</div>
<div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;</div>
<div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;<span class="keywordtype">double</span> </div>
<div class="line"><a name="l00081"></a><span class="lineno"><a class="line" href="ross-random_8h.html#a33ef78bb479bf2642fb38490c79e0fc8">   81</a></span>&#160;<a class="code" href="ross-random_8c.html#a33ef78bb479bf2642fb38490c79e0fc8">tw_rand_gamma</a>(<a class="code" href="structtw__rng__stream.html">tw_rng_stream</a> * g, <span class="keywordtype">double</span> shape, <span class="keywordtype">double</span> scale)</div>
<div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;{</div>
<div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;        <span class="keywordtype">double</span>          a, b, q, phi, d;</div>
<div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;</div>
<div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;        <span class="keywordflow">if</span> (shape &gt; 1)</div>
<div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;        {</div>
<div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;                a = 1 / sqrt(2 * shape - 1);</div>
<div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;                b = shape - log(4);</div>
<div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;                q = shape + 1 / a;</div>
<div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;                phi = 4.5;</div>
<div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;                d = 1 + log(phi);</div>
<div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;</div>
<div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;                <span class="keywordflow">while</span> (1)</div>
<div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;                {</div>
<div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;                        <span class="keywordtype">double</span>          U_One = <a class="code" href="ross-random_8h.html#a39fc493bbf61e55264a6daa82e8109ab">tw_rand_unif</a>(g);</div>
<div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;                        <span class="keywordtype">double</span>          U_Two = <a class="code" href="ross-random_8h.html#a39fc493bbf61e55264a6daa82e8109ab">tw_rand_unif</a>(g);</div>
<div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;                        <span class="keywordtype">double</span>          V = a * log(U_One / (1 - U_One));</div>
<div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;                        <span class="keywordtype">double</span>          Y = shape * exp(V);</div>
<div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;                        <span class="keywordtype">double</span>          Z = U_One * U_One * U_Two;</div>
<div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;                        <span class="keywordtype">double</span>          W = b + q * V - Y;</div>
<div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;</div>
<div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;                        <span class="keywordtype">double</span>          temp1 = W + d - phi * Z;</div>
<div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;                        <span class="keywordtype">double</span>          temp2 = log(Z);</div>
<div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;</div>
<div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;                        <span class="keywordflow">if</span> (temp1 &gt;= 0 || W &gt;= temp2)</div>
<div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;                                <span class="keywordflow">return</span> (scale * Y);</div>
<div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;</div>
<div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;                }</div>
<div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;        } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (shape == 1)</div>
<div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;        {</div>
<div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;                <span class="keywordflow">return</span> (<a class="code" href="ross-random_8c.html#ac042351acc76e850fd420dd41f0d58eb">tw_rand_exponential</a>(g, scale));</div>
<div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160;        } <span class="keywordflow">else</span></div>
<div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;        {</div>
<div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;                b = (exp(1) + shape) / exp(1);</div>
<div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;</div>
<div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;                <span class="keywordflow">while</span> (1)</div>
<div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;                {</div>
<div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;                        <span class="keywordtype">double</span>          U_One = <a class="code" href="ross-random_8h.html#a39fc493bbf61e55264a6daa82e8109ab">tw_rand_unif</a>(g);</div>
<div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;                        <span class="keywordtype">double</span>          P = b * U_One;</div>
<div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;</div>
<div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;                        <span class="keywordflow">if</span> (P &lt;= 1)</div>
<div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160;                        {</div>
<div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160;                                <span class="keywordtype">double</span>          Y = pow(P, (1 / shape));</div>
<div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160;                                <span class="keywordtype">double</span>          U_Two = <a class="code" href="ross-random_8h.html#a39fc493bbf61e55264a6daa82e8109ab">tw_rand_unif</a>(g);</div>
<div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;</div>
<div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;                                <span class="keywordflow">if</span> (U_Two &lt;= exp(-Y))</div>
<div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160;                                        <span class="keywordflow">return</span> (scale * Y);</div>
<div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;                        } <span class="keywordflow">else</span></div>
<div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160;                        {</div>
<div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160;                                <span class="keywordtype">double</span>          Y = -log((b - P) / shape);</div>
<div class="line"><a name="l00131"></a><span class="lineno">  131</span>&#160;                                <span class="keywordtype">double</span>          U_Two = <a class="code" href="ross-random_8h.html#a39fc493bbf61e55264a6daa82e8109ab">tw_rand_unif</a>(g);</div>
<div class="line"><a name="l00132"></a><span class="lineno">  132</span>&#160;</div>
<div class="line"><a name="l00133"></a><span class="lineno">  133</span>&#160;                                <span class="keywordflow">if</span> (U_Two &lt;= pow(Y, (shape - 1)))</div>
<div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160;                                        <span class="keywordflow">return</span> (scale * Y);</div>
<div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160;                        }</div>
<div class="line"><a name="l00136"></a><span class="lineno">  136</span>&#160;                }</div>
<div class="line"><a name="l00137"></a><span class="lineno">  137</span>&#160;        }</div>
<div class="line"><a name="l00138"></a><span class="lineno">  138</span>&#160;}</div>
<div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160;</div>
<div class="line"><a name="l00140"></a><span class="lineno">  140</span>&#160;<span class="keywordtype">long</span> </div>
<div class="line"><a name="l00141"></a><span class="lineno"><a class="line" href="ross-random_8h.html#a9eeb025da6834fc04b6d107fd6118a5f">  141</a></span>&#160;<a class="code" href="ross-random_8c.html#a9eeb025da6834fc04b6d107fd6118a5f">tw_rand_geometric</a>(<a class="code" href="structtw__rng__stream.html">tw_rng_stream</a> * g, <span class="keywordtype">double</span> P)</div>
<div class="line"><a name="l00142"></a><span class="lineno">  142</span>&#160;{</div>
<div class="line"><a name="l00143"></a><span class="lineno">  143</span>&#160;        <span class="keywordtype">int</span>             count = 1;</div>
<div class="line"><a name="l00144"></a><span class="lineno">  144</span>&#160;</div>
<div class="line"><a name="l00145"></a><span class="lineno">  145</span>&#160;        <span class="keywordflow">while</span> (<a class="code" href="ross-random_8h.html#a39fc493bbf61e55264a6daa82e8109ab">tw_rand_unif</a>(g) &gt; P)</div>
<div class="line"><a name="l00146"></a><span class="lineno">  146</span>&#160;                count++;</div>
<div class="line"><a name="l00147"></a><span class="lineno">  147</span>&#160;</div>
<div class="line"><a name="l00148"></a><span class="lineno">  148</span>&#160;        <span class="keywordflow">return</span> (count);</div>
<div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160;}</div>
<div class="line"><a name="l00150"></a><span class="lineno">  150</span>&#160;</div>
<div class="line"><a name="l00151"></a><span class="lineno">  151</span>&#160;<span class="keywordtype">double</span> </div>
<div class="line"><a name="l00152"></a><span class="lineno"><a class="line" href="ross-random_8h.html#aeb86f64e46e19ed8b3176b5a273c4aac">  152</a></span>&#160;<a class="code" href="ross-random_8c.html#aeb86f64e46e19ed8b3176b5a273c4aac">tw_rand_normal01</a>(<a class="code" href="structtw__rng__stream.html">tw_rng_stream</a> * g, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> *rng_calls)</div>
<div class="line"><a name="l00153"></a><span class="lineno">  153</span>&#160;{</div>
<div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160;<span class="preprocessor">#ifndef RAND_NORMAL</span></div>
<div class="line"><a name="l00155"></a><span class="lineno">  155</span>&#160;<span class="preprocessor"></span>        <a class="code" href="ross-extern_8h.html#a49ed2388aaae26e43280b7909c834aaa">tw_error</a>(<a class="code" href="ross-extern_8h.html#afffdf140f2c492f61546ad783833f127">TW_LOC</a>, <span class="stringliteral">&quot;Please compile using -DRAND_NORMAL!&quot;</span>);</div>
<div class="line"><a name="l00156"></a><span class="lineno">  156</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00157"></a><span class="lineno">  157</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00158"></a><span class="lineno">  158</span>&#160;<span class="preprocessor">#ifdef RAND_NORMAL</span></div>
<div class="line"><a name="l00159"></a><span class="lineno">  159</span>&#160;<span class="preprocessor"></span>        *rng_calls = 0;</div>
<div class="line"><a name="l00160"></a><span class="lineno">  160</span>&#160;        g-&gt;<a class="code" href="structtw__rng__stream.html#ae73176e60a69e3623e58f99ce561e821">tw_normal_flipflop</a> = !g-&gt;<a class="code" href="structtw__rng__stream.html#ae73176e60a69e3623e58f99ce561e821">tw_normal_flipflop</a>;</div>
<div class="line"><a name="l00161"></a><span class="lineno">  161</span>&#160;</div>
<div class="line"><a name="l00162"></a><span class="lineno">  162</span>&#160;  <span class="keywordflow">if</span> ((g-&gt;<a class="code" href="structtw__rng__stream.html#ae73176e60a69e3623e58f99ce561e821">tw_normal_flipflop</a>)  || </div>
<div class="line"><a name="l00163"></a><span class="lineno">  163</span>&#160;      (g-&gt;<a class="code" href="structtw__rng__stream.html#a5dca142f13f2c619e95177afc96cfe11">tw_normal_u1</a>&lt; 0.0)   || </div>
<div class="line"><a name="l00164"></a><span class="lineno">  164</span>&#160;      (g-&gt;<a class="code" href="structtw__rng__stream.html#a5dca142f13f2c619e95177afc96cfe11">tw_normal_u1</a> &gt;= 1.0) || </div>
<div class="line"><a name="l00165"></a><span class="lineno">  165</span>&#160;      (g-&gt;<a class="code" href="structtw__rng__stream.html#ae93b3e29cd7017deb81070094655b760">tw_normal_u2</a> &lt; 0.0)  || </div>
<div class="line"><a name="l00166"></a><span class="lineno">  166</span>&#160;      (g-&gt;<a class="code" href="structtw__rng__stream.html#ae93b3e29cd7017deb81070094655b760">tw_normal_u2</a> &gt; 1.0))</div>
<div class="line"><a name="l00167"></a><span class="lineno">  167</span>&#160;    {</div>
<div class="line"><a name="l00168"></a><span class="lineno">  168</span>&#160;      g-&gt;<a class="code" href="structtw__rng__stream.html#a5dca142f13f2c619e95177afc96cfe11">tw_normal_u1</a> = <a class="code" href="ross-random_8h.html#a39fc493bbf61e55264a6daa82e8109ab">tw_rand_unif</a>(g);</div>
<div class="line"><a name="l00169"></a><span class="lineno">  169</span>&#160;      g-&gt;<a class="code" href="structtw__rng__stream.html#ae93b3e29cd7017deb81070094655b760">tw_normal_u2</a> = <a class="code" href="ross-random_8h.html#a39fc493bbf61e55264a6daa82e8109ab">tw_rand_unif</a>(g);</div>
<div class="line"><a name="l00170"></a><span class="lineno">  170</span>&#160;      *rng_calls = 2;</div>
<div class="line"><a name="l00171"></a><span class="lineno">  171</span>&#160;</div>
<div class="line"><a name="l00172"></a><span class="lineno">  172</span>&#160;      <span class="keywordflow">return</span> (sqrt(-2.0 * log(g-&gt;<a class="code" href="structtw__rng__stream.html#a5dca142f13f2c619e95177afc96cfe11">tw_normal_u1</a>)) * sin(<a class="code" href="ross-random_8h.html#a1a20cba323e9c15780c33c3aff02140e">tw_opi</a> * g-&gt;<a class="code" href="structtw__rng__stream.html#ae93b3e29cd7017deb81070094655b760">tw_normal_u2</a>));</div>
<div class="line"><a name="l00173"></a><span class="lineno">  173</span>&#160;    } </div>
<div class="line"><a name="l00174"></a><span class="lineno">  174</span>&#160;  <span class="keywordflow">else</span></div>
<div class="line"><a name="l00175"></a><span class="lineno">  175</span>&#160;    {</div>
<div class="line"><a name="l00176"></a><span class="lineno">  176</span>&#160;      <span class="keywordflow">return</span> (sqrt(-2.0 * log(g-&gt;<a class="code" href="structtw__rng__stream.html#a5dca142f13f2c619e95177afc96cfe11">tw_normal_u1</a>)) * cos(<a class="code" href="ross-random_8h.html#a1a20cba323e9c15780c33c3aff02140e">tw_opi</a> * g-&gt;<a class="code" href="structtw__rng__stream.html#ae93b3e29cd7017deb81070094655b760">tw_normal_u2</a>));</div>
<div class="line"><a name="l00177"></a><span class="lineno">  177</span>&#160;    }</div>
<div class="line"><a name="l00178"></a><span class="lineno">  178</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00179"></a><span class="lineno">  179</span>&#160;<span class="preprocessor"></span>}</div>
<div class="line"><a name="l00180"></a><span class="lineno">  180</span>&#160;</div>
<div class="line"><a name="l00181"></a><span class="lineno">  181</span>&#160;<span class="keywordtype">double</span> </div>
<div class="line"><a name="l00182"></a><span class="lineno"><a class="line" href="ross-random_8h.html#a3403d336421708331348cd7bce0b32f3">  182</a></span>&#160;<a class="code" href="ross-random_8c.html#a3403d336421708331348cd7bce0b32f3">tw_rand_normal_sd</a>(<a class="code" href="structtw__rng__stream.html">tw_rng_stream</a> * g, <span class="keywordtype">double</span> Mu, <span class="keywordtype">double</span> Sd, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> *rng_calls)</div>
<div class="line"><a name="l00183"></a><span class="lineno">  183</span>&#160;{</div>
<div class="line"><a name="l00184"></a><span class="lineno">  184</span>&#160;  <span class="keywordflow">return</span> ( Mu + (<a class="code" href="ross-random_8c.html#aeb86f64e46e19ed8b3176b5a273c4aac">tw_rand_normal01</a>(g, rng_calls) * Sd));</div>
<div class="line"><a name="l00185"></a><span class="lineno">  185</span>&#160;}</div>
<div class="line"><a name="l00186"></a><span class="lineno">  186</span>&#160;</div>
<div class="line"><a name="l00187"></a><span class="lineno">  187</span>&#160;<span class="keywordtype">long</span> </div>
<div class="line"><a name="l00188"></a><span class="lineno"><a class="line" href="ross-random_8h.html#ad442a45d2d71a342d1ebb1f183caad83">  188</a></span>&#160;<a class="code" href="ross-random_8c.html#ad442a45d2d71a342d1ebb1f183caad83">tw_rand_poisson</a>(<a class="code" href="structtw__rng__stream.html">tw_rng_stream</a> * g, <span class="keywordtype">double</span> Lambda)</div>
<div class="line"><a name="l00189"></a><span class="lineno">  189</span>&#160;{</div>
<div class="line"><a name="l00190"></a><span class="lineno">  190</span>&#160;  <span class="keywordtype">double</span>          a, b;</div>
<div class="line"><a name="l00191"></a><span class="lineno">  191</span>&#160;  <span class="keywordtype">long</span>            count;</div>
<div class="line"><a name="l00192"></a><span class="lineno">  192</span>&#160;  </div>
<div class="line"><a name="l00193"></a><span class="lineno">  193</span>&#160;  a = exp(-Lambda);</div>
<div class="line"><a name="l00194"></a><span class="lineno">  194</span>&#160;  b = 1;</div>
<div class="line"><a name="l00195"></a><span class="lineno">  195</span>&#160;  count = 0;</div>
<div class="line"><a name="l00196"></a><span class="lineno">  196</span>&#160;  </div>
<div class="line"><a name="l00197"></a><span class="lineno">  197</span>&#160;  b = b * <a class="code" href="ross-random_8h.html#a39fc493bbf61e55264a6daa82e8109ab">tw_rand_unif</a>(g);</div>
<div class="line"><a name="l00198"></a><span class="lineno">  198</span>&#160;  </div>
<div class="line"><a name="l00199"></a><span class="lineno">  199</span>&#160;  <span class="keywordflow">while</span> (b &gt;= a)</div>
<div class="line"><a name="l00200"></a><span class="lineno">  200</span>&#160;    {</div>
<div class="line"><a name="l00201"></a><span class="lineno">  201</span>&#160;      count++;</div>
<div class="line"><a name="l00202"></a><span class="lineno">  202</span>&#160;      b = b * <a class="code" href="ross-random_8h.html#a39fc493bbf61e55264a6daa82e8109ab">tw_rand_unif</a>(g);</div>
<div class="line"><a name="l00203"></a><span class="lineno">  203</span>&#160;    }</div>
<div class="line"><a name="l00204"></a><span class="lineno">  204</span>&#160;  </div>
<div class="line"><a name="l00205"></a><span class="lineno">  205</span>&#160;  <span class="keywordflow">return</span> (count);</div>
<div class="line"><a name="l00206"></a><span class="lineno">  206</span>&#160;}</div>
<div class="line"><a name="l00207"></a><span class="lineno">  207</span>&#160;</div>
<div class="line"><a name="l00208"></a><span class="lineno">  208</span>&#160;<span class="keywordtype">double</span></div>
<div class="line"><a name="l00209"></a><span class="lineno"><a class="line" href="ross-random_8c.html#a70f2313a6093f0a7a8bf949e246e5bda">  209</a></span>&#160;<a class="code" href="ross-random_8c.html#a70f2313a6093f0a7a8bf949e246e5bda">tw_rand_lognormal</a>(<a class="code" href="structtw__rng__stream.html">tw_rng_stream</a> * g, <span class="keywordtype">double</span> <a class="code" href="phold_8h.html#ad4bbf91c2b6e66b1ad2a070b77b62442">mean</a>, <span class="keywordtype">double</span> sd, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> *rng_calls)</div>
<div class="line"><a name="l00210"></a><span class="lineno">  210</span>&#160;{</div>
<div class="line"><a name="l00211"></a><span class="lineno">  211</span>&#160;  <span class="keywordflow">return</span> (exp( mean + sd * <a class="code" href="ross-random_8c.html#aeb86f64e46e19ed8b3176b5a273c4aac">tw_rand_normal01</a>(g, rng_calls)));</div>
<div class="line"><a name="l00212"></a><span class="lineno">  212</span>&#160;}</div>
<div class="line"><a name="l00213"></a><span class="lineno">  213</span>&#160;</div>
<div class="line"><a name="l00214"></a><span class="lineno">  214</span>&#160;<span class="keywordtype">double</span></div>
<div class="line"><a name="l00215"></a><span class="lineno"><a class="line" href="ross-random_8h.html#aa5fcd32f48d8cdb58b0d604a71eb209d">  215</a></span>&#160;<a class="code" href="ross-random_8c.html#aa5fcd32f48d8cdb58b0d604a71eb209d">tw_rand_weibull</a>(<a class="code" href="structtw__rng__stream.html">tw_rng_stream</a> * g, <span class="keywordtype">double</span> <a class="code" href="phold_8h.html#ad4bbf91c2b6e66b1ad2a070b77b62442">mean</a>, <span class="keywordtype">double</span> shape)</div>
<div class="line"><a name="l00216"></a><span class="lineno">  216</span>&#160;{</div>
<div class="line"><a name="l00217"></a><span class="lineno">  217</span>&#160;  <span class="keywordtype">double</span> scale = mean /  tgamma( ((<span class="keywordtype">double</span>)1.0 + (<span class="keywordtype">double</span>)1.0/shape));</div>
<div class="line"><a name="l00218"></a><span class="lineno">  218</span>&#160;  <span class="keywordflow">return</span>(scale * pow(-log( <a class="code" href="ross-random_8h.html#a39fc493bbf61e55264a6daa82e8109ab">tw_rand_unif</a>(g)), (<span class="keywordtype">double</span>)1.0/shape));</div>
<div class="line"><a name="l00219"></a><span class="lineno">  219</span>&#160;}</div>
<div class="ttc" id="ross-random_8c_html_a599b01ae062d3a8517c803e3349cf771"><div class="ttname"><a href="ross-random_8c.html#a599b01ae062d3a8517c803e3349cf771">tw_rand_binomial</a></div><div class="ttdeci">long tw_rand_binomial(tw_rng_stream *g, long N, double P)</div><div class="ttdef"><b>Definition:</b> <a href="ross-random_8c_source.html#l00053">ross-random.c:53</a></div></div>
<div class="ttc" id="ross-extern_8h_html_afffdf140f2c492f61546ad783833f127"><div class="ttname"><a href="ross-extern_8h.html#afffdf140f2c492f61546ad783833f127">TW_LOC</a></div><div class="ttdeci">#define TW_LOC</div><div class="ttdef"><b>Definition:</b> <a href="ross-extern_8h_source.html#l00164">ross-extern.h:164</a></div></div>
<div class="ttc" id="ross-random_8c_html_a58c39b87e177cf5f8e8312e02f21782e"><div class="ttname"><a href="ross-random_8c.html#a58c39b87e177cf5f8e8312e02f21782e">tw_rand_ulong</a></div><div class="ttdeci">unsigned long tw_rand_ulong(tw_rng_stream *g, unsigned long low, unsigned long high)</div><div class="ttdef"><b>Definition:</b> <a href="ross-random_8c_source.html#l00037">ross-random.c:37</a></div></div>
<div class="ttc" id="ross-random_8c_html_af8f6e0d9b88b26966e5819a53d18877c"><div class="ttname"><a href="ross-random_8c.html#af8f6e0d9b88b26966e5819a53d18877c">tw_rand_pareto</a></div><div class="ttdeci">double tw_rand_pareto(tw_rng_stream *g, double shape, double scale)</div><div class="ttdef"><b>Definition:</b> <a href="ross-random_8c_source.html#l00075">ross-random.c:75</a></div></div>
<div class="ttc" id="ross-random_8c_html_a5600e4cb011d29cc24a2408220d58909"><div class="ttname"><a href="ross-random_8c.html#a5600e4cb011d29cc24a2408220d58909">tw_rand_init</a></div><div class="ttdeci">tw_rng * tw_rand_init(uint32_t v, uint32_t w)</div><div class="ttdef"><b>Definition:</b> <a href="ross-random_8c_source.html#l00007">ross-random.c:7</a></div></div>
<div class="ttc" id="rand-clcg4_8c_html_a3c5ea1f9125b9534b62a80dbfa20dafb"><div class="ttname"><a href="rand-clcg4_8c.html#a3c5ea1f9125b9534b62a80dbfa20dafb">rng_init</a></div><div class="ttdeci">tw_rng * rng_init(int v, int w)</div><div class="ttdef"><b>Definition:</b> <a href="rand-clcg4_8c_source.html#l00338">rand-clcg4.c:338</a></div></div>
<div class="ttc" id="structtw__rng_html"><div class="ttname"><a href="structtw__rng.html">tw_rng</a></div><div class="ttdef"><b>Definition:</b> <a href="rand-clcg4_8h_source.html#l00006">rand-clcg4.h:6</a></div></div>
<div class="ttc" id="ross-extern_8h_html_a49ed2388aaae26e43280b7909c834aaa"><div class="ttname"><a href="ross-extern_8h.html#a49ed2388aaae26e43280b7909c834aaa">tw_error</a></div><div class="ttdeci">void tw_error(const char *file, int line, const char *fmt,...) NORETURN</div><div class="ttdef"><b>Definition:</b> <a href="tw-util_8c_source.html#l00074">tw-util.c:74</a></div></div>
<div class="ttc" id="phold_8h_html_ad4bbf91c2b6e66b1ad2a070b77b62442"><div class="ttname"><a href="phold_8h.html#ad4bbf91c2b6e66b1ad2a070b77b62442">mean</a></div><div class="ttdeci">static tw_stime mean</div><div class="ttdef"><b>Definition:</b> <a href="phold_8h_source.html#l00037">phold.h:37</a></div></div>
<div class="ttc" id="ross-random_8c_html_a33ef78bb479bf2642fb38490c79e0fc8"><div class="ttname"><a href="ross-random_8c.html#a33ef78bb479bf2642fb38490c79e0fc8">tw_rand_gamma</a></div><div class="ttdeci">double tw_rand_gamma(tw_rng_stream *g, double shape, double scale)</div><div class="ttdef"><b>Definition:</b> <a href="ross-random_8c_source.html#l00081">ross-random.c:81</a></div></div>
<div class="ttc" id="ross-random_8c_html_a9eeb025da6834fc04b6d107fd6118a5f"><div class="ttname"><a href="ross-random_8c.html#a9eeb025da6834fc04b6d107fd6118a5f">tw_rand_geometric</a></div><div class="ttdeci">long tw_rand_geometric(tw_rng_stream *g, double P)</div><div class="ttdef"><b>Definition:</b> <a href="ross-random_8c_source.html#l00141">ross-random.c:141</a></div></div>
<div class="ttc" id="ross-random_8c_html_a70f2313a6093f0a7a8bf949e246e5bda"><div class="ttname"><a href="ross-random_8c.html#a70f2313a6093f0a7a8bf949e246e5bda">tw_rand_lognormal</a></div><div class="ttdeci">double tw_rand_lognormal(tw_rng_stream *g, double mean, double sd, unsigned int *rng_calls)</div><div class="ttdef"><b>Definition:</b> <a href="ross-random_8c_source.html#l00209">ross-random.c:209</a></div></div>
<div class="ttc" id="structtw__rng__stream_html_ae93b3e29cd7017deb81070094655b760"><div class="ttname"><a href="structtw__rng__stream.html#ae93b3e29cd7017deb81070094655b760">tw_rng_stream::tw_normal_u2</a></div><div class="ttdeci">double tw_normal_u2</div><div class="ttdef"><b>Definition:</b> <a href="rand-clcg4_8h_source.html#l00043">rand-clcg4.h:43</a></div></div>
<div class="ttc" id="structtw__rng__stream_html_a5dca142f13f2c619e95177afc96cfe11"><div class="ttname"><a href="structtw__rng__stream.html#a5dca142f13f2c619e95177afc96cfe11">tw_rng_stream::tw_normal_u1</a></div><div class="ttdeci">double tw_normal_u1</div><div class="ttdef"><b>Definition:</b> <a href="rand-clcg4_8h_source.html#l00042">rand-clcg4.h:42</a></div></div>
<div class="ttc" id="ross-random_8c_html_aa5fcd32f48d8cdb58b0d604a71eb209d"><div class="ttname"><a href="ross-random_8c.html#aa5fcd32f48d8cdb58b0d604a71eb209d">tw_rand_weibull</a></div><div class="ttdeci">double tw_rand_weibull(tw_rng_stream *g, double mean, double shape)</div><div class="ttdef"><b>Definition:</b> <a href="ross-random_8c_source.html#l00215">ross-random.c:215</a></div></div>
<div class="ttc" id="ross-random_8c_html_a56ae5b708a840eb42ad336f8852b6d5e"><div class="ttname"><a href="ross-random_8c.html#a56ae5b708a840eb42ad336f8852b6d5e">tw_rand_integer</a></div><div class="ttdeci">long tw_rand_integer(tw_rng_stream *g, long low, long high)</div><div class="ttdef"><b>Definition:</b> <a href="ross-random_8c_source.html#l00021">ross-random.c:21</a></div></div>
<div class="ttc" id="ross-random_8c_html_aeb86f64e46e19ed8b3176b5a273c4aac"><div class="ttname"><a href="ross-random_8c.html#aeb86f64e46e19ed8b3176b5a273c4aac">tw_rand_normal01</a></div><div class="ttdeci">double tw_rand_normal01(tw_rng_stream *g, unsigned int *rng_calls)</div><div class="ttdef"><b>Definition:</b> <a href="ross-random_8c_source.html#l00152">ross-random.c:152</a></div></div>
<div class="ttc" id="ross-random_8h_html_a39fc493bbf61e55264a6daa82e8109ab"><div class="ttname"><a href="ross-random_8h.html#a39fc493bbf61e55264a6daa82e8109ab">tw_rand_unif</a></div><div class="ttdeci">#define tw_rand_unif(G)</div><div class="ttdef"><b>Definition:</b> <a href="ross-random_8h_source.html#l00005">ross-random.h:5</a></div></div>
<div class="ttc" id="ross_8h_html"><div class="ttname"><a href="ross_8h.html">ross.h</a></div></div>
<div class="ttc" id="structtw__rng__stream_html_ae73176e60a69e3623e58f99ce561e821"><div class="ttname"><a href="structtw__rng__stream.html#ae73176e60a69e3623e58f99ce561e821">tw_rng_stream::tw_normal_flipflop</a></div><div class="ttdeci">int tw_normal_flipflop</div><div class="ttdef"><b>Definition:</b> <a href="rand-clcg4_8h_source.html#l00044">rand-clcg4.h:44</a></div></div>
<div class="ttc" id="ross-random_8c_html_ad442a45d2d71a342d1ebb1f183caad83"><div class="ttname"><a href="ross-random_8c.html#ad442a45d2d71a342d1ebb1f183caad83">tw_rand_poisson</a></div><div class="ttdeci">long tw_rand_poisson(tw_rng_stream *g, double Lambda)</div><div class="ttdef"><b>Definition:</b> <a href="ross-random_8c_source.html#l00188">ross-random.c:188</a></div></div>
<div class="ttc" id="ross-random_8c_html_a3403d336421708331348cd7bce0b32f3"><div class="ttname"><a href="ross-random_8c.html#a3403d336421708331348cd7bce0b32f3">tw_rand_normal_sd</a></div><div class="ttdeci">double tw_rand_normal_sd(tw_rng_stream *g, double Mu, double Sd, unsigned int *rng_calls)</div><div class="ttdef"><b>Definition:</b> <a href="ross-random_8c_source.html#l00182">ross-random.c:182</a></div></div>
<div class="ttc" id="ross-random_8c_html_ac042351acc76e850fd420dd41f0d58eb"><div class="ttname"><a href="ross-random_8c.html#ac042351acc76e850fd420dd41f0d58eb">tw_rand_exponential</a></div><div class="ttdeci">double tw_rand_exponential(tw_rng_stream *g, double Lambda)</div><div class="ttdef"><b>Definition:</b> <a href="ross-random_8c_source.html#l00069">ross-random.c:69</a></div></div>
<div class="ttc" id="structtw__rng__stream_html"><div class="ttname"><a href="structtw__rng__stream.html">tw_rng_stream</a></div><div class="ttdef"><b>Definition:</b> <a href="rand-clcg4_8h_source.html#l00032">rand-clcg4.h:32</a></div></div>
<div class="ttc" id="ross-random_8h_html_a1a20cba323e9c15780c33c3aff02140e"><div class="ttname"><a href="ross-random_8h.html#a1a20cba323e9c15780c33c3aff02140e">tw_opi</a></div><div class="ttdeci">#define tw_opi</div><div class="ttdef"><b>Definition:</b> <a href="ross-random_8h_source.html#l00004">ross-random.h:4</a></div></div>
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